Microscopic DNA Evidence Solves Case

In the previous video, we mentioned there was a microscopic clue that turned

the entire case around. Today, that very truth. An iron rod was

recovered from the crime scene, which looked like just a piece of metal.

But for the forensic lab, it was a speaking witness. On that iron rod

were microscopic particles of blood and skin cells, invisible to the naked eye.

But for DNA tests, these are the most powerful. DNA profiling means extracting a unique

biological code from body cells, just like a fingerprint, which belongs to only one person.

In this case, there were six suspects. DNA profiling, CCTV footage, mobile phone records,